php excel文件导出之phpExcel扩展库

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php Excel 文件导出
phpExcel 官网 http://phpexcel.codeplex.com/
/**     * 导出特定文件 * 根据具体情况而定     */    public function download(){        //1. 从数据库来获取对应的二维数组        $alist = array(...);        $list = $alist;        $data = array();//2. 设置xls的 表头名        $headArr = array("排名","姓名","手机","获奖","参与时间");        if(false === empty($list)){            $i=0;            foreach ($list as $key => $val){                //组装对应的单元格A，B，C，D。。。$data[$i] = array(                       ($i+1),            //A                       $val['name'],      //B                       $val['tel'],       //C                       $val['award'],     //D                       ...                    );                 $i++;            }        }else{            $data[0] = array('暂无相关记录！');        }        $fileName = "test-excel_";        $this->explodexls($data,$headArr,$fileName);    }    /** * 工具函数 处理 xls 文件导出 * @param $data array() 对应的tbody 数据     * @param $headArr array() 对应的thead 数据 * @param $fileName string  指定的导出文件名  * @return xls格式 文件自动导出     */    public function explodexls($data,$headArr,$fileName){//注意这里换成对应的根目录 找到绝对路径        $dir = __dir__.'/../../../../public';        require_once $dir.'/excel/PHPExcel.php';        require_once $dir.'/excel/PHPExcel/Writer/Excel2007.php';        require_once $dir.'/excel/PHPExcel/Writer/Excel5.php';        include_once $dir.'/excel/PHPExcel/IOFactory.php';        if(empty($data) || !is_array($data)){            die("data must be a array");        }        if(empty($fileName)){            exit;        }        $date = date("Y_m_d",time());        $fileName .= "_{$date}.xls";        //创建新的PHPExcel对象        $objPHPExcel = new PHPExcel();        $objProps = $objPHPExcel->getProperties();        //设置表头        $key = ord("A");        foreach($headArr as $v){            $colum = chr($key);            $objPHPExcel->setActiveSheetIndex(0)->setCellValue($colum.'1', $v);            $key += 1;        }        $column = 2;        $objActSheet = $objPHPExcel->getActiveSheet();        foreach($data as $key => $rows){ //行写入            $span = ord("A");            foreach($rows as $keyName=>$value){// 列写入                $j = chr($span);                $objActSheet->setCellValue($j.$column, $value);                $span++;            }            $column++;        }        //$fileName = iconv("utf-8", "gb2312", $fileName);        //重命名表        $objPHPExcel->getActiveSheet()->setTitle('Simple');        //设置活动单指数到第一个表,所以Excel打开这是第一个表        $objPHPExcel->setActiveSheetIndex(0);        //将输出重定向到一个客户端web浏览器(Excel2007)        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');        header("Content-Disposition: attachment; filename=\"$fileName\"");        header('Cache-Control: max-age=0');        $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');        $objWriter->save('php://output'); //文件通过浏览器下载        exit;    }
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